23423922816 has 256 divisors, whose sum is σ = 72441216000. Its totient is φ = 6568353792.

The previous prime is 23423922793. The next prime is 23423922827. The reversal of 23423922816 is 61822932432.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42822255 + ... + 42822801.

It is an arithmetic number, because the mean of its divisors is an integer number (282973500).

Almost surely, 2^23423922816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23423922816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36220608000).

23423922816 is an abundant number, since it is smaller than the sum of its proper divisors (49017293184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23423922816 is a wasteful number, since it uses less digits than its factorization.

23423922816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839 (or 827 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The spelling of 23423922816 in words is "twenty-three billion, four hundred twenty-three million, nine hundred twenty-two thousand, eight hundred sixteen".